Knights/Dames Ranks, Protocols for Postnominals and Regalia
The Prior and Priory Council recommend to the Grand Prior Aspirants for admission to the Order. After approval by the Grand Prior the Aspirant joins the Order as a Donat. Following Investiture, their Rank is Knight or Dame of Honour. Promotion is on merit based on continual service to the community and service to the Order. Promotion is not based on length of membership in the Order. The postnominals for each rank, the order of promotions and titles are as shown in the table below.
| Rank | Postnominal | Title |
| Knight of Honour | KSJ | Chevalier |
| Knight of Grace | KGSJ | Chevalier |
| Knight Commander of Grace | CGSJ | Chevalier |
| Knight of Justice | KJSJ | Chevalier |
| Knight Commander of Justice | CJSJ | Chevalier |
| Knight Grand Cross of Justice | GCSJ | Chevalier |
| Bailiff | OSJ | His Excellency Bailiff |
| Dame of Honour | DSJ | Dame |
| Dame of Grace | DGSJ | Dame |
| Dame Commander of Grace | CGSJ | Dame |
| Dame of Justice | DJSJ | Dame |
| Dame Commander of Justice | CJSJ | Dame |
| Dame Grand Cross of Justice | GCSJ | Dame |
| Grand Dame/Bailiff | OSJ | Her Excellency Grand Dame |
Protocols
The Postnominals for the Order of Saint John of Jerusalem, Knights Hospitaller follow The Order of Australia, Order of the British Empire and Military Decorations but should precede all professional and university degrees.
The Regalia Protocol is outlined below.
https://osjaustralasia.org.au/wp-content/uploads/2024/12/Regalia-Protocol-Booklet-November-2023-.pdf